Festival of Gregorian Chant and Seasonal Music View All Events The Vermont Gregorian Chant Schola is In Residence at Saint Michael's College, directed by Dr. William Tortolano, SMC Emeritus Professor of Music. The program includes: Three Christmas Tunes "O Come, O Come Emmanuel" Mass of the Angels "Hark the Herald Angels Sing" "Joy to the World" Magnificat Liturgical Rounds Mozart's Alleluia "Adeste Fidelis" A free-will offering of $10 ($5 for seniors and children) is appreciated. The men's Schola, organized 13 years ago, presents concerts and sings at Masses throughout Vermont. Their voices have been heard in Catholic, Protestant, and Jewish congregations, and at programs at Dartmouth College, Middlebury College, and Mary Queen of Peace in Montreal.